<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="">

<div ng-mouseenter="count = count + 1" ng-init="count=0">鼠标穿过我!</div>

<h1>{{count}}</h1>

<p>
该实例在鼠标穿过 DIV 元素时，计算变量 "count" 会自动加 1。</p>

</body>
</html>
